AUTHOR(S): Dr. Parul Sharma, Dr. Shubh Karmanjit Singh Bawa, Dr. Vikas Jindal, Dr. Ranjan Malhotra, Dr. Divye Malhotra and Dr. Amit Goel

ABSTRACT:Insufficiency of vitamin D affects about 50 per cent of the world’s population. An estimated 1 billion people worldwide have a vitamin D deficiency from all ethnicities and age groups. This disease outbreak of hypovitaminosis D can mainly be due to lifestyle (e.g. decreased physical activity) and environmental (e.g. air pollution) factors that reduce access to sunlight needed for the production of ultraviolet-B (UVB)-induced vitamin D in the skin. New research indicates we may need more vitamin D to avoid chronic disease than is currently recommended. As the number of people with VDD keeps increasing, the importance of this hormone is at the forefront of research in overall health and the prevention of chronic illness. In this review, we will outline the processes presumed to underlie the vitamin D relationship and acknowledge its biological and clinical implications.

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